Re: [OE-core] [PATCH 00/14] devtool ide-sdk: clang and lldb support

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Sun, 2026-08-02 at 21:52 +0200, Adrian Freihofer via lists.openembedded.org wrote:
> From: Adrian Freihofer <adrian.freihofer@siemens.com>
> 
> This series adds clang toolchain support to devtool ide-sdk. LLDB is
> part of the same LLVM project as clang and is the more natural debugger
> pairing for it (much like GDB pairs with gcc), so ide-sdk now picks LLDB
> as the debugger whenever the recipe is built with clang, while
> continuing to use GDB for gcc-built recipes as before. The series also
> significantly extends oe-selftest coverage for both debugging paths
> (ide=code and ide=none).
> 
> Highlights:
>  - Introduce a debugger back-end abstraction in ide-sdk so GDB and LLDB
>    can share the common ide=code/ide=none plumbing, and select LLDB
>    automatically when the recipe's toolchain is clang.
>  - Add LLDB support for the clang toolchain, for both ide=code
>    (lldb-server platform mode + CodeLLDB launch/task config) and ide=none
>    (generated shell scripts).
>  - Fix a handful of pre-existing ide-sdk issues found along the way:
>    waiting for the gdbserver port before returning, a duplicate -p flag in
>    _target_ssh_args, $@ getting overwritten by `set` in the
>    install_and_deploy script, and meson compile_commands.json generation.
>  - Refactor the meta-selftest cpp debugging examples into shared .inc
>    files with clang variants, and add real, end-to-end debug session
>    coverage (breakpoints in the executable, a library and a header-only
>    inline function) for GDB (meson) and LLDB (clang, both ide=code and
>    ide=none), including a recompile/redeploy cycle.
> 
> For now the debugger is selected purely based on the recipe's
> TOOLCHAIN (gcc -> GDB, clang -> LLDB). Other combinations, e.g. gcc for
> compiling with clang-tidy for static analysis, or support for the VSCode
> clangd plugin are not covered yet but could be supported in the future
> by making the debugger selection more independent from the compiler
> choice.

This wasn't happy on the autobuilder unfortunately:

https://autobuilder.yoctoproject.org/valkyrie/#/builders/23/builds/4515
https://autobuilder.yoctoproject.org/valkyrie/#/builders/48/builds/4269
https://autobuilder.yoctoproject.org/valkyrie/#/builders/35/builds/4451

Cheers,

Richard